<template>
  <div>
    <h1>two</h1>
    <p>{{ b }}</p>
    <p>{{ c }}</p>
    <button @click="$emit('fn1')">触发fn1</button>
  </div>
</template>

<script>
  export default {
    name: "Two",
    props: ["b", "c"],
  };
</script>

<style></style>
